5.1.2 Equations w/ Fractions

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What is an equation with fractions?

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An equation that contains one or more fractions, where the variable is present in the numerator or denominator.

Tags

CCSS.8.EE.C.7B

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How do you solve an equation with fractions?

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To solve an equation with fractions, find a common denominator, eliminate the fractions by multiplying through by that denominator, and then solve the resulting equation.

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What is the least common denominator (LCD)?

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The least common denominator is the smallest multiple that is common to the denominators of two or more fractions.

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The least common denominator is 21.

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Tags

CCSS.7.EE.B.4A

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Back

Tags

CCSS.7.EE.B.4A

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Tags

CCSS.6.EE.B.7

Front

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Tags

CCSS.7.EE.B.4A

Front

What is a common method to eliminate fractions in an equation?

Back

Multiply both sides of the equation by the least common denominator of all fractions present.

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What does it mean to isolate a variable in an equation?

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To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.